Our clients benefit from the lessons we've learned while serving hundreds of other teams over the years. Whatever challenge you're facing, it's likely we've helped an organization like yours overcome something similar.

With us, it's smooth scaling

Test Double is regarded by the Ruby and JavaScript communities as one of the best agencies to help companies capitalize on their initial success by ensuring lasting maintainability.

We've seen it countless times: the same habits that enable rapid growth at a project's outset can actually slow down productivity as teams scale up and complexity mounts. We help others transition to longer-term thinking about the design & testing of their Ruby on Rails and JavaScript applications—all without slowing down the pace of innovation.

We're generalizing specialists

At the same time, we're not a "Rails and JavaScript shop." The techniques we use to design sustainable software are universally applicable, and we're not afraid to employ them in any technology stack or business domain. Here are just a few languages and industries we've worked in recently:

Java and Go for an industrial equipment manufacturer

Elm and Elixir at a smart energy startup

Clojure & ClojureScript for an automotive dealer group

Distributed C at a videogame studio

Perl and PHP for a stock photo company

We've only made it this far because we understand that we'll never be done learning new things. If you're in doubt that Test Double's agents can ramp up quickly enough to address your needs, we'd love to talk with you about them!

Known collaborators

(and great customers!)

Because our clients trust us to solve some of their most important problems, most of our engagements remain highly classified. However, we can share that we've served each of the fantastic businesses listed below:

We're proud to have such a diverse array of current and past clients,
but don't take our word for it—we're always happy to provide
references upon request!